In this week's podcast: We discuss the research released this week; the breakthroughs in treatment and prevention of the HIV virus; the challenges of funding; what more needs to be done to tackle the disease.

Science Magazine's contribution is about social corporate responsibility.

Andrew Jack presents the show with guests:
Tony Fauci, head of the National Institute of Allergy and Infectious Diseases at the National Institutes of Health
Ambassador Eric Goosby, head of Pepfar, the President's Emergency Fund for AIDS Relief
Stefano Bertozzi, the head of HIV programmes at the Bill and Melinda Gates Foundation
Lydia Mungherera, a Ugandan doctor and advocate who is herself HIV positive